Episode – 1732 : Mass Extinction Events hr class=”wp-block-separator has-alpha-channel-opacity”/> Podcast Transcript We like to think of the Earth as a very stable place. While there might be seasonal variation […]
Episode – 1723 : Hildegard of Bingen
Episode – 1723 : Hildegard of Bingen hr class=”wp-block-separator has-alpha-channel-opacity”/> Podcast Transcript Over a thousand years ago, a wealthy family in Germany gave birth to their tenth child, a daughter. […]
Episode – 1623 : Sand
Episode – 1623 : Sand Podcast Transcript One of the most common substances on Earth is sand. Most people don’t think very much about sand, but sand is an extremely […]
Episode – 1583 : Project Habakkuk
Episode – 1583 : Project Habakkuk Podcast Transcript During the Second World War, the Allies were desperate to develop ideas to help them win. Some of these ideas, such as […]
Episode – 1567 : The Solar Cycle
Episode – 1567 : The Solar Cycle Approximately every eleven years, our sun experiences a cycle in which its magnetic poles flip. During this cycle, solar flares and sunspot activity […]
Episode – 1562 : What Has the JWST Discovered (So Far)?
Episode – 1562 : What Has the JWST Discovered (So Far)? Podcast Transcript On December 25, 2021, NASA’s James Webb Space Telescope was launched from the European Space Agency launch […]
Episode – 1477 : A Brief History of Nothing
Episode – 1477 : A Brief History of Nothing Podcast Transcript One of the most difficult concepts for early thinkers to get their heads around was the idea of nothing. […]
Episode – 1473 : Textiles, Fabrics, and Cloth
Episode – 1473 : Textiles, Fabrics, and Cloth Podcast Transcript I would say that there is a very good chance that almost everyone listening to the sound of my voice […]
Episode – 1444 : The Moon
Episode – 1444 : The Moon Podcast Transcript About 384,000 km or 239,000 miles above the surface of the Earth is our planet’s only natural satellite, The Moon. Every culture […]
Episode – 1383 : Batteries
Episode – 1383 : Batteries Podcast Transcript The odds are quite good that somewhere around you right now as you listen to me speak these words, is a battery. Whether […]
Episode – 1339 : The Discovery of DNA
Episode – 1339 : The Discovery of DNA Podcast Transcript One of the most important advancements in the 20th century was the identification of the structure of the DNA molecule.However, […]
Episode – 1335 : Questions and Answers: Volume 16
Episode – 1335 : Questions and Answers: Volume 16 Podcast Transcript Several centuries ago, many places celebrated the start of the new year in March, not January. March was originally […]
Episode – 1329 : Cruciferous Vegetables
Episode – 1329 : Cruciferous Vegetables Podcast Transcript One of the most common food items consumed today are cruciferous vegetables. Even if you aren’t familiar with the term, you almost […]
Episode – 1326 : Pearls
Episode – 1326 : Pearls Podcast Transcript Centuries ago, the most expensive jewelry in the world wasn’t made of diamonds, rubies, or emeralds. Rather, they were made with an extremely […]
Episode – 1317 : Transuranium Elements
Episode – 1317 : Transuranium Elements Podcast Transcript If you take a look at the periodic table of elements, you will notice something interesting. Go to the bottom and take […]
Episode – 1313 : All About Eggs
Episode – 1313 : All About Eggs Podcast Transcript Every day around the world, over a billion eggs are consumed. Eggs have become a staple food product used both by […]
Episode – 1274 : Spirits and Liqueurs
Episode – 1274 : Spirits and Liqueurs Podcast Transcript Thousands of years ago, the first humans accidentally created the first beer and wine. This occurred naturally when yeast in the […]
Episode – 1273 : Salt
Episode – 1273 : Salt Podcast Transcript One of the most important substances throughout world history has been salt. Salt might seem mundane, but it is actually necessary for the […]
Episode – 1256 : Copper
Episode – 1256 : Copper Podcast Transcript When humans first learned how to work with metal, the very first metal they used was copper. Copper was easy to shape, easy […]
Episode – 1231 : The Element Mercury
Episode – 1231 : The Element Mercury Podcast Transcript Since the dawn of human history, humans have been aware of a seemingly miraculous substance. It was a substance that had […]




















